LINK-PP LS-MM8525-S1I is an industrial-grade 25GBSE-SR SFP28 optical transceiver operating at 850nm with duplex LC/UPC connectors, integrated DOM for real-time monitoring, and specified reaches of 70m over OM3 MMF or 100m over OM4 MMF across an industrial temperature range of -40°C to +85°C.
LINK-PP LS-MM8525-S1I is built for reliable 25G optical links in demanding industrial environments. It delivers stable 850nm transmission over duplex LC/UPC multi-mode fiber, supports full digital optical monitoring, and operates flawlessly from -40°C to +85°C. These features make it a solid choice for short-haul connections up to 100m.
LINK-PP LS-MM8525-S1I 25G SFP28 Optical Module
This module follows SFP28 MSA standards for form factor and interoperability. It also supports CPRI and eCPRI applications for modern communication systems. The design ensures compatibility with standard 25G interfaces.
LS-MM8525-S1I: 25 Gbps Connectivity for Industrial Edge Computing
It enables fast 25Gbps data transfer for edge computing devices in industrial environments. The module helps connect sensors, controllers, and edge systems with low latency. It is suitable for distributed industrial networks.
LS-MM8525-S1I Module with 850nm Wavelength
The module uses an 850nm VCSEL laser source, optimized for multi-mode fiber (MMF) transmission. This wavelength ensures low attenuation and reliable signal integrity over the specified distances.
LS-MM8525-S1I Module Supporting 100m Transmission
It supports transmission distances up to 70 m over OM3 MMF and 100 m over OM4 MMF. This makes it suitable for short-distance industrial and data communication links. The stable reach ensures reliable connections.
LS-MM8525-S1I Module with Duplex LC/UPC Interface
The duplex LC/UPC connector enables standard dual-fiber cabling for separate transmit and receive paths. This interface ensures easy integration with existing MMF patch panels and polarity management.
LS-MM8525-S1I Module with DOM for Real-Time Monitoring
Built-in Digital Optical Monitoring (DOM) allows live tracking of temperature, supply voltage, laser bias current, and optical power. This feature helps maintain link health and simplifies troubleshooting in industrial field deployments.
LINK-PP LS-MM8525-S1I 25G SFP28 Certification
LINK-PP LS-MM8525-S1I complies with key industry standards such as ISO 9001, CE, RoHS, and FCC, ensuring regulated quality and safety requirements are met.
Each module is subjected to comprehensive validation processes to confirm stable operation and product consistency.
LS-MM8525-S1I Quality Certifications
The module is manufactured following established quality frameworks to maintain dependable performance.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
LS-MM8525-S1I Certified for Reliable Host-Device Compatibility
It is verified to work with a wide range of networking equipment, enabling smooth and consistent system integration.
Extensive validation procedures confirm consistent operation and signal stability in network environments. Discover more at LINK-PP Test Support Center for detailed testing insights.
Optical Spectrum Test
Verify optical output for correct wavelength performance.
Eye Pattern Test
Assess signal quality to maintain clear data transmission.
Bit Error Rate Test
Determine error levels to ensure stable communication.
Temperature Test
Ensure reliable operation under varying temperature conditions.
Product Shipping for LINK-PP LS-MM8525-S1I 25G SFP28
Shipments are handled carefully to maintain product condition during transit. Streamlined logistics ensure prompt delivery to global destinations.
Anti-Static Protective Packaging
Protect modules from electrostatic discharge during transit.
Shock-Resistant Transport Protection
Minimize damage from vibration and external impact.
Fast Order Processing and Dispatch
Handle orders efficiently for quicker shipment turnaround.
Global Logistics and International Delivery
Enable worldwide delivery through established logistics networks.
LINK-PP LS-MM8525-S1I is simple to deploy by inserting into SFP28 ports and connecting duplex LC fibers, enabling stable 25G links for industrial Ethernet, edge computing, and automated control systems, while supporting plug-and-play operation and consistent data transmission in demanding industrial environments.
LS-MM8525-S1I Technical Support
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Pre-Sales Technical Consultation
Professional guidance to help you select the optimal LS-MM8525-S1I module for your network design and application needs.
Compatibility Verification Support
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Deployment & Installation Assistance
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
A:
Yes. The module fully complies with IEEE 802.3by 25GBASE-SR, SFF-8431, and SFF-8432 specifications, making it fully interoperable with any standard 25GBASE-SR optical port. By
admin on
2026-01-25
A:
Yes, the die-cast zinc housing and sturdy bail-latch mechanism provide heavy-duty vibration resistance and superior EMI shielding. By
admin on
2025-10-23
A:
The LS-MM8525-S1I 25G SFP28 module reaches up to 70m over OM3 multimode fiber and up to 100m over high-bandwidth OM4 multimode fiber. By
admin on
2025-05-08
Was concerned about multi-vendor compatibility in our mixed switch fabric. Requested pre-coded MSA optics upon ordering — and the vendor delivered! DOM parameters show real-time temperature, voltage, and optical power cleanly in our switch OS. Very impressed with how seamless the integration was.
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476099
364572
P***s
Hungary
Verified
Purchase
5 .0
2026-03-17
Managing mixed-vendor switch environments often leads to optic compatibility issues and EEPROM errors. We requested custom pre-coding for these SFP28 modules upon ordering, and they performed flawlessly across our entire multi-vendor switch network. The switches instantly recognized the 25GBASE-SR optics, displaying clean serial numbers and accurate diagnostic data without requiring CLI override commands. Link auto-negotiation over LC/UPC multimode fiber was immediate, making them a truly turnkey choice for complex network backbones.
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476099
364575
L***y
Indonesia
Verified
Purchase
5 .0
2026-01-27
Deploying 100 of these 25GBSE-SR SFP28 modules across our regional data center interconnects. The hot-swappable design allowed seamless live upgrades without rebooting the core switch chassis. Highly recommended for any network team scaling up to 25G.
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476099
364582
S***e
Poland
Verified
Purchase
5 .0
2025-11-23
Deploying field communications cabinets where internal temperatures swing wildly between winter and summer (-30°C to +70°C). Standard commercial optics always overheat or fail. These industrial-grade (-40°C to +85°C) modules haven't dropped a single frame in four months of continuous operation.
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476099
364580
M***t
Russian Federation
Verified
Purchase
5 .0
2025-11-19
Upgraded our ToR switches to 25GBASE-SR modules. These duplex LC multimode optical transceivers fit snugly into standard SFP28 slots. Running full 25Gbps line rate across 85m OM4 multimode fiber patch cords. Low power consumption keeps our chassis thermals cool. Will definitely order another batch for our next rack expansion.
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476099
364578
J***e
Bulgaria
Verified
Purchase
5 .0
2025-10-29
Substation and factory environments expose networking gear to heavy electromagnetic interference (EMI) and extreme physical vibration. The rugged zinc-alloy casing and gold-plated contact pins of the LS-MM8525-S1I provide superior structural integrity and electrical shielding. We verified uninterrupted 25Gbps data transmission right next to high-voltage equipment in high-heat conditions. The latching mechanism holds firm in high-vibration racks, making it ideal for industrial automation networks.
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476099
364574
L***d
Argentina
Verified
Purchase
4 .0
2025-08-18
This industrial SFP28 optical transceiver performs reliably even in higher temperature environments, but the outer packaging showed some wear during transit. Fortunately, the module inside was well protected and fully functional.
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476099
364587
A***l
Turkey
Verified
Purchase
5 .0
2025-07-02
Installed in our core routing infrastructure for high-bandwidth video traffic. The 850nm VCSEL transmitter provides strong signal clarity over 90m OM4 LC fiber optic patch cables. No CRC errors recorded after 30 days of continuous heavy load.
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476099
364581
C***y
Romania
Verified
Purchase
5 .0
2025-06-09
We were looking for industrial-grade 25G SFP28 850nm modules for our outdoor distribution nodes. OEM prices were way too high. Ordered 50 units of the LS-MM8525-S1I module; all plugged straight into our aggregation switches with flawless compatibility. DDM optical Rx/Tx levels are well within specification. Super happy with the build quality!
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476099
364577
G***g
Ukraine
Verified
Purchase
4 .0
2025-05-23
Performance is solid across our OM4 fiber links, and DOM readings are accurate. The only downside was that the package arrived a couple of days late, which slightly delayed our installation schedule.
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476099
364573
S***s
Malaysia
Verified
Purchase
5 .0
2025-02-02
We deployed 30 units of the LS-MM8525-S1I SFP28 optical module across our spine-leaf switch fabric using 75m OM4 LC duplex multimode cables. During our 72-hour continuous stress test, the 850nm VCSEL transmitter maintained an exceptionally stable optical output, while receiver sensitivity stayed well above standard limits. We verified full DOM functionality via the switch CLI, reading accurate real-time optical power levels and temperatures with zero packet drops under 100% line-rate load. It delivers top-tier performance for high-density server rack uplinks.
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476099
197096
F***l
United States
Verified
Purchase
5 .0
2024-02-04
I am totally amazed by the so competitive price for the Transceiver Module. I bought 4pcs for test in advance, which work well on my switches. The price is much cheaper than original. What's more, the quality is pretty well, which has life warranty for it. Great product.
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476099
197083
M***y
Morocco
Verified
Purchase
5 .0
2024-01-06
Every order, every time - is quick and simple to process, arrives on time, never had an issue with the product, a return, etc. They often have the best price, and product you can't always find elsewhere.
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476099
197101
S***c
Norway
Verified
Purchase
5 .0
2023-12-04
Link-pp has everything that I need in stock, with the best prices and the Fastest shipping. Shopping here is always a fantastic experience for me. I love Link-pp and will continue to use it as my provider for all of my Sfp Cage needs!
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